Granted Patent
Utility
US 6,595,663 · App. 10/068,690
Work light cage attachment system
Inventor:
Frank Tsao
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Feb 6, 2002
Inventor
Frank Tsao
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.